[INFO] cloning repository https://github.com/autodidaddict/rs-zombies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autodidaddict/rs-zombies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautodidaddict%2Frs-zombies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautodidaddict%2Frs-zombies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a0b4e82ae7da59541801cb2ffc4ff447c2cf0af
[INFO] testing autodidaddict/rs-zombies against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautodidaddict%2Frs-zombies" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/autodidaddict/rs-zombies on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/autodidaddict/rs-zombies
[INFO] finished tweaking git repo https://github.com/autodidaddict/rs-zombies
[INFO] tweaked toml for git repo https://github.com/autodidaddict/rs-zombies written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/autodidaddict/rs-zombies already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grpc v0.2.1
[INFO] [stderr]   Downloaded protobuf v1.4.1
[INFO] [stderr]   Downloaded mio v0.6.9
[INFO] [stderr]   Downloaded futures-cpupool v0.1.5
[INFO] [stderr]   Downloaded tokio-io v0.1.2
[INFO] [stderr]   Downloaded grpc-compiler v0.2.1
[INFO] [stderr]   Downloaded httpbis v0.4.1
[INFO] [stderr]   Downloaded bytes v0.4.4
[INFO] [stderr]   Downloaded protoc-rust-grpc v0.2.1
[INFO] [stderr]   Downloaded net2 v0.2.29
[INFO] [stderr]   Downloaded tokio-core v0.1.8
[INFO] [stderr]   Downloaded tls-api v0.1.8
[INFO] [stderr]   Downloaded protoc-rust v1.4.1
[INFO] [stderr]   Downloaded protoc v1.4.1
[INFO] [stderr]   Downloaded tls-api-stub v0.1.8
[INFO] [stderr]   Downloaded tokio-tls-api v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ed57ade480b4b84d91b82b58c246614347c2c38d5b1d469d4bde4572409bf01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ed57ade480b4b84d91b82b58c246614347c2c38d5b1d469d4bde4572409bf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ed57ade480b4b84d91b82b58c246614347c2c38d5b1d469d4bde4572409bf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed57ade480b4b84d91b82b58c246614347c2c38d5b1d469d4bde4572409bf01", kill_on_drop: false }`
[INFO] [stdout] 7ed57ade480b4b84d91b82b58c246614347c2c38d5b1d469d4bde4572409bf01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927dea7a1e171a96e50141716e089e8e144b391c4dbfcb8ee37a9ea4fa7224fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "927dea7a1e171a96e50141716e089e8e144b391c4dbfcb8ee37a9ea4fa7224fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling tls-api v0.1.8
[INFO] [stderr]    Compiling protoc v1.4.1
[INFO] [stderr]    Compiling tls-api-stub v0.1.8
[INFO] [stderr]    Compiling mio v0.6.9
[INFO] [stderr]    Compiling protobuf v1.4.1
[INFO] [stderr]    Compiling tokio-io v0.1.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.8
[INFO] [stderr]    Compiling tokio-tls-api v0.1.8
[INFO] [stderr]    Compiling httpbis v0.4.1
[INFO] [stderr]    Compiling grpc-compiler v0.2.1
[INFO] [stderr]    Compiling protoc-rust v1.4.1
[INFO] [stderr]    Compiling grpc v0.2.1
[INFO] [stderr]    Compiling protoc-rust-grpc v0.2.1
[INFO] [stderr]    Compiling rs-zombies v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rs-zombies v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rs-zombies-d177d12b2cd47911/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc-rust-grpc: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:9:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563062c8b830 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x563062c8b830 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563062c8b830 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563062c8b830 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563062caf06c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x563062c891e5 - std::io::Write::write_fmt::h6aced00850e8186f
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x563062c8d8cb - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563062c8d8cb - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563062c8d8cb - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563062c8d3a1 - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563062c8df94 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x563062c8da77 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x563062c8bd0c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563062c8d9d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x563062a38151 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563062a38243 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x563062a38a49 - core::result::Result<T,E>::expect::h3c24815637271856
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1241:23
[INFO] [stderr]     17:     0x563062a38ce4 - build_script_build::main::h16a28a8ffbb04cda
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4:5
[INFO] [stderr]     18:     0x563062a38beb - core::ops::function::FnOnce::call_once::h7054e604194da719
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x563062a38b7e - std::sys_common::backtrace::__rust_begin_short_backtrace::hcf55e17d76c6fd5c
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x563062a38b51 - std::rt::lang_start::{{closure}}::hf3fafba3174411f2
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x563062c8e49a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5a0483c8d4e9c15d
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x563062c8e49a - std::panicking::try::do_call::h6ad7918f175f6ddd
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x563062c8e49a - std::panicking::try::hcd5af58f52320690
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x563062c8e49a - std::panic::catch_unwind::hf1ae33ba67228f1e
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x563062c8e49a - std::rt::lang_start_internal::{{closure}}::h4a87bc0aa1312dc5
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x563062c8e49a - std::panicking::try::do_call::h1ade2a52932fc900
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x563062c8e49a - std::panicking::try::h6f4a87ad169e174b
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x563062c8e49a - std::panic::catch_unwind::h043c7f08019f9e2a
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x563062c8e49a - std::rt::lang_start_internal::h82825699ebfd70bd
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x563062a38b20 - std::rt::lang_start::hd9183629b0c0e96d
[INFO] [stderr]                                  at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x563062a38d0c - main
[INFO] [stderr]     32:     0x7f241a4890b3 - __libc_start_main
[INFO] [stderr]     33:     0x563062a3890e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "927dea7a1e171a96e50141716e089e8e144b391c4dbfcb8ee37a9ea4fa7224fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927dea7a1e171a96e50141716e089e8e144b391c4dbfcb8ee37a9ea4fa7224fe", kill_on_drop: false }`
[INFO] [stdout] 927dea7a1e171a96e50141716e089e8e144b391c4dbfcb8ee37a9ea4fa7224fe